Wall-socket.



I. KENNEDY.

WALL SOCKET.

APPLICATION FILED IIIIIE I9. IQII.

l ,21% l 7% I l Eatend July 24, w1?.

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JOSEPH KENNEDY, OF NEW YORK, N. Y., ASSIGNOR TO THE CLEMENTS COMPANY, 0F NEW YORK, N'. Y., A CORPORATION OF NEW YORK.

WALL-SOCKET.

Patented July 2d, 1917.

Original application led August 14.-, 1913, Serial No. 784,672. Divided and this application led .Tune 19, 1914. Serial No. 846,092.

To @ZZ @07mm t may concern:

Be it known that l, Josnri-r KENNEDY, a citizen of the United States of America, and a resident of New York, county and State of New York, have invented certain new and useful Improvements in Wall- Sockets, of which the following is a specification, reference being had to the accom panying drawings, forming a part thereof.

My invention relates to wall sockets or plugs, such as are inserted in walls, floors, or other structures of material which will not readily receive and hold the threads of a bolt for the purpose 'of forming anchorage members for bolts and the like, and its object is to provide a simple device which will be securely held in a hole into which it is driven.

This and other objects and advantages of my invention will appear in the following specification in which the invention may be described, and its novel features will be set forth in appended claims.

Referring to the drawings:

Figure 1 is a longitudinal sectional view of a structure embodying my invention, which structure is shown in transverse sectional views in Figs. 2, 3 and il, the sections of these igures being taken respectively on the lines 2 2, 3--3 and 4-4 of Fig. l.

Another socket embodying my invention in a modified form is shown in longitudinal sectional elevation in Fig. 5, and in transverse sections in Figs. 6,. 7, and 8, the sections of these figures being taken respectively on the lines 6-6, 7-7 and 8-8 of Fig. 5.

A still further modification of this idea is illustrated in longitudinal section in Fig. 9, and in transverse sections in Figs. 10, 11 and 12, the sections in these igures being taken respectively on the line 10-10,11--1l, and 12-12 on Fig. 9.

Fig. 1 shows a shell 10 of soft metal, which is made up of portions of different forms and sizes. The first portion of this shell is conical outside and cylindrical inside.

Fig. 2 is a section of this part of the shell.

The central portion of this shell which is shown in transverse section in Fig. 3 is circular outside and elliptical inside.

The other part 0f this shell which is shown in transverse section in Fig. l is polygonal both inside and outside.`

Fig. 5 shows a shell 10A also of soft metal, the outside of which is formed of cylinders of di'erent sizes. The bore of this shell is tapered and as shown, is circular in crosssection.

The structure of Figs. 9-12 is an integral shell 10B, the iirst portion of which is illustrated in transverse section in Fig. 10 and is elliptical on the outside with a cylindrical threaded bore, the threads being designated by the reference numeral 11. The next portion of this shell of which Fig. 11 is a crosssection is polygonal outside and its bore is in the shape of a polygon formed by internally projecting lugs 12. rl`he other portion of the shell which is shown in cross-section in Fig. 12 is elliptical on the outside and its bore, which is formed of longitudinally tapered ribs 18, is also elliptical.

The sockets are of soft metal such, for eX- ample, as lead. A part of the exterior may be polygonal so that the corners oppose any turning tendency which may be caused by the insertion of a bolt and the outer end may be conical so that the mouth of the oriflee will be completely filled. Between these two parts is an intermediate section which should not be crushed when the sockets are driven in.

The screw threads of the bolts engage and cut their own threads in the sockets when they are inserted. The rst section of the sockets may be of smooth bore to receive the unthreaded part of the shank of a standard lag bolt. The intermediate section may be of an internal cross-section of elliptical shape so that the screw threads will be cut into the parts thereof of smaller diameter and the parts thereof of larger diameter will then form a clearance for the displaced metal. The inner section may then be of polygonal cross-section so as to get a greater number of surfaces into which the threads are cut.

I have shown several modications of structure to show that the invention is not limited to any speciiic form of construction and that I intend no limitations other than those imposed by the appended claims.

This application is a division of an application led by me on the 14th day of August, 1913, and given Serial No. 784,672,

and which I have assigned to The Clements' Company, a corporation of the State of New York. Y

Vhat I claim is: Y

l. A wall socket comprising a circumferentially continuous hollow shell of soft metal open from end to end having an intermediate portion of one external form in cross-section, and end portions of other external Jforms in ycross-section, said intermediate portion having an internal form in cross-section Aunlike the internal form in cross-section of either of thek end portions.

2. A wall socket comprising an integral circumferentially continuous hollow shell of soft metal open from end to end having a central portion of one formv and size and eX- ternal cross-section, and end portions of other forms and sizes in cross-section, said central portion having a bore o one form in Cross section and said end portions having a borev coaxial with the central portion but unlike the central portion in cross-sectional form, the outer end portion being of frustoconical shape.

In witness whereof7 I have hereunto set my hand in the presence of two subscribing witnesses, this 11th dayoi:l June, 1914.

JOSEPH KENNEDY.

Witnesses:

I. B. MOORE,v I. MULCAY.

Copies of this patent may be obtained for iive. cents each, by addressing the Commissioner of Patents. Washington, D. C. 

